施工技术
施工技術
시공기술
Construction Technology
2015年
14期
46-49
,共4页
钢结构%网格结构%施工模拟%可靠性分析
鋼結構%網格結構%施工模擬%可靠性分析
강결구%망격결구%시공모의%가고성분석
steel structures%grid structure%simulation%reliability
2014青岛世园会植物馆C馆为复杂异形网架结构,通过方案比选确定采用地面散装、局部用起重机起吊、提升至标高进行对接的施工方案。场馆施工难度大、施工测量、对接误差等难以控制。为保证施工的安全性、保证工期,对结构进行施工模拟和可靠性分析是非常必要的。结合优选的施工方案,通过施工过程模拟分析了每个施工步情况下结构的受力和变形情况;确定了对应施工步的最大受力、最大变形的大小和位置;运用概率设计方法,以施工偏差和杆件面积2种情况作为变量输入,对结构的可靠性进行了分析。
2014青島世園會植物館C館為複雜異形網架結構,通過方案比選確定採用地麵散裝、跼部用起重機起弔、提升至標高進行對接的施工方案。場館施工難度大、施工測量、對接誤差等難以控製。為保證施工的安全性、保證工期,對結構進行施工模擬和可靠性分析是非常必要的。結閤優選的施工方案,通過施工過程模擬分析瞭每箇施工步情況下結構的受力和變形情況;確定瞭對應施工步的最大受力、最大變形的大小和位置;運用概率設計方法,以施工偏差和桿件麵積2種情況作為變量輸入,對結構的可靠性進行瞭分析。
2014청도세완회식물관C관위복잡이형망가결구,통과방안비선학정채용지면산장、국부용기중궤기조、제승지표고진행대접적시공방안。장관시공난도대、시공측량、대접오차등난이공제。위보증시공적안전성、보증공기,대결구진행시공모의화가고성분석시비상필요적。결합우선적시공방안,통과시공과정모의분석료매개시공보정황하결구적수력화변형정황;학정료대응시공보적최대수력、최대변형적대소화위치;운용개솔설계방법,이시공편차화간건면적2충정황작위변량수입,대결구적가고성진행료분석。
2014 Qingdao International Horticultural Plant Hall?C is a complex shaped grid structure. By scheme selection, the construction of assembling on site, locally hoisting by cranes, lifting to elevation and connecting was used. The construction for stadium is difficult, and construction survey and connection errors are difficult to control. To ensure the safety of construction and guarantee period, the construction simulation and reliability analysis of the structure are necessary. In this paper, the construction process simulations of stress and deformation analysis of each case construction step are done and the maximum force corresponding to the construction stage, the maximum deformation and location are assured. Finally, taking construction deviation and area of member bar as input variables in both cases using probabilistic design methods, the reliability of the grid structure is analyzed.